package com.ruoyi.common.core.page;

import com.ruoyi.common.utils.StringUtils;

/**
 * 分页数据
 * 
 * @author ruoyi
 */
public class PageDomain
{
    /** 当前记录起始索引 */
    private Integer pageNum;

    /** 每页显示记录数 */
    private Integer pageSize;

    /** 排序列 */
    private String orderByColumn;

    /** 排序的方向desc或者asc */
    private String isAsc = "asc";

    /** 分页参数合理化 */
    private Boolean reasonable = true;

    public String getOrderBy()
    {
        if (StringUtils.isEmpty(orderByColumn))
        {
            return "";
        }
        return StringUtils.toUnderScoreCase(orderByColumn) + " " + isAsc;
    }

/*    public String getOrderBy()
    {
        if (StringUtils.isEmpty(orderByColumn))
        {
            return "";
        }
        // 分割orderByColumn为多个字段
        String[] columns = orderByColumn.split(",");
        // 分割isAsc为多个排序方向
        String[] ascFlags = isAsc.split(",");
        // 检查字段和排序方向的数量是否一致
        if (columns.length!= ascFlags.length)
        {
            throw new IllegalArgumentException("字段和排序方向数量不匹配");
        }
        // 构建排序字符串
        StringBuilder orderByBuilder = new StringBuilder();
        for (int i = 0; i < columns.length; i++)
        {
            orderByBuilder.append(StringUtils.toUnderScoreCase(columns[i])).append(" ").append(ascFlags[i]).append(",");
        }
        // 删除最后一个逗号
        if (orderByBuilder.length() > 0)
        {
            orderByBuilder.setLength(orderByBuilder.length() - 1);
        }
        return orderByBuilder.toString();
    }*/

    public Integer getPageNum()
    {
        return pageNum;
    }

    public void setPageNum(Integer pageNum)
    {
        this.pageNum = pageNum;
    }

    public Integer getPageSize()
    {
        return pageSize;
    }

    public void setPageSize(Integer pageSize)
    {
        this.pageSize = pageSize;
    }

    public String getOrderByColumn()
    {
        return orderByColumn;
    }

    public void setOrderByColumn(String orderByColumn)
    {
        this.orderByColumn = orderByColumn;
    }

    public String getIsAsc()
    {
        return isAsc;
    }

    public void setIsAsc(String isAsc)
    {
        if (StringUtils.isNotEmpty(isAsc))
        {
            // 兼容前端排序类型
            if ("ascending".equals(isAsc))
            {
                isAsc = "asc";
            }
            else if ("descending".equals(isAsc))
            {
                isAsc = "desc";
            }
            this.isAsc = isAsc;
        }
    }

    public Boolean getReasonable()
    {
        if (StringUtils.isNull(reasonable))
        {
            return Boolean.TRUE;
        }
        return reasonable;
    }

    public void setReasonable(Boolean reasonable)
    {
        this.reasonable = reasonable;
    }
}
